from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
-LOG.setLevel(logging.DEBUG)
class Pktgen(base.Scenario):
- """Executes a pktgen benchmark between two hosts"""
+ """Execute pktgen between two hosts
+
+ Parameters
+ packetsize - packet size in bytes without the CRC
+ type: int
+ unit: bytes
+ default: 60
+ number_of_ports - number of UDP ports to test
+ type: int
+ unit: na
+ default: 10
+ duration - duration of the test
+ type: int
+ unit: seconds
+ default: 20
+ """
__scenario_type__ = "Pktgen"
TARGET_SCRIPT = 'pktgen_benchmark.bash'
- def __init__(self, context):
- self.context = context
+ def __init__(self, scenario_cfg, context_cfg):
+ self.scenario_cfg = scenario_cfg
+ self.context_cfg = context_cfg
self.setup_done = False
def setup(self):
self.target_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Pktgen.TARGET_SCRIPT)
- user = self.context.get('user', 'ubuntu')
- host = self.context.get('host', None)
- target = self.context.get('target', None)
- key_filename = self.context.get('key_filename', '~/.ssh/id_rsa')
-
- LOG.debug("user:%s, target:%s", user, target)
- self.server = ssh.SSH(user, target, key_filename=key_filename)
+ host = self.context_cfg['host']
+ host_user = host.get('user', 'ubuntu')
+ host_ip = host.get('ip', None)
+ host_key_filename = host.get('key_filename', '~/.ssh/id_rsa')
+ target = self.context_cfg['target']
+ target_user = target.get('user', 'ubuntu')
+ target_ip = target.get('ip', None)
+ target_key_filename = target.get('key_filename', '~/.ssh/id_rsa')
+
+ LOG.info("user:%s, target:%s", target_user, target_ip)
+ self.server = ssh.SSH(target_user, target_ip,
+ key_filename=target_key_filename)
self.server.wait(timeout=600)
- LOG.debug("user:%s, host:%s", user, host)
- self.client = ssh.SSH(user, host, key_filename=key_filename)
+ LOG.info("user:%s, host:%s", host_user, host_ip)
+ self.client = ssh.SSH(host_user, host_ip,
+ key_filename=host_key_filename)
self.client.wait(timeout=600)
# copy script to host
raise RuntimeError(stderr)
return int(stdout)
- def run(self, args):
+ def run(self, result):
"""execute the benchmark"""
if not self.setup_done:
self.setup()
- ipaddr = args.get("ipaddr", '127.0.0.1')
+ ipaddr = self.context_cfg["target"].get("ipaddr", '127.0.0.1')
- options = args['options']
+ options = self.scenario_cfg['options']
packetsize = options.get("packetsize", 60)
self.number_of_ports = options.get("number_of_ports", 10)
+ # if run by a duration runner
+ duration_time = self.scenario_cfg["runner"].get("duration", None) \
+ if "runner" in self.scenario_cfg else None
+ # if run by an arithmetic runner
+ arithmetic_time = options.get("duration", None)
+
+ if duration_time:
+ duration = duration_time
+ elif arithmetic_time:
+ duration = arithmetic_time
+ else:
+ duration = 20
self._iptables_setup()
- cmd = "sudo bash pktgen.sh %s %s %s" \
- % (ipaddr, self.number_of_ports, packetsize)
+ cmd = "sudo bash pktgen.sh %s %s %s %s" \
+ % (ipaddr, self.number_of_ports, packetsize, duration)
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
- data = json.loads(stdout)
+ result.update(json.loads(stdout))
- data['packets_received'] = self._iptables_get_result()
+ result['packets_received'] = self._iptables_get_result()
- if "sla" in args:
- sent = data['packets_sent']
- received = data['packets_received']
+ if "sla" in self.scenario_cfg:
+ sent = result['packets_sent']
+ received = result['packets_received']
ppm = 1000000 * (sent - received) / sent
- sla_max_ppm = int(args["sla"]["max_ppm"])
- assert ppm <= sla_max_ppm, "ppm %d > sla_max_ppm %d" \
+ sla_max_ppm = int(self.scenario_cfg["sla"]["max_ppm"])
+ assert ppm <= sla_max_ppm, "ppm %d > sla_max_ppm %d; " \
% (ppm, sla_max_ppm)
- return data
-
def _test():
'''internal test function'''
key_filename = pkg_resources.resource_filename('yardstick.resources',
'files/yardstick_key')
- ctx = {'host': '172.16.0.137',
- 'target': '172.16.0.138',
- 'user': 'ubuntu',
- 'key_filename': key_filename
- }
+ ctx = {
+ 'host': {
+ 'ip': '10.229.47.137',
+ 'user': 'root',
+ 'key_filename': key_filename
+ },
+ 'target': {
+ 'ip': '10.229.47.137',
+ 'user': 'root',
+ 'key_filename': key_filename,
+ 'ipaddr': '10.229.47.137',
+ }
+ }
logger = logging.getLogger('yardstick')
logger.setLevel(logging.DEBUG)
- p = Pktgen(ctx)
-
options = {'packetsize': 120}
+ args = {'options': options}
+ result = {}
- args = {'options': options,
- 'ipaddr': '192.168.111.31'}
- result = p.run(args)
+ p = Pktgen(args, ctx)
+ p.run(result)
print result
if __name__ == '__main__':
Code Review / yardstick.git / blobdiff